| Sintra to Saddlebrooke (Arizona) | 5,395.39 mi (8,683.05 km) |
| Sintra to Safety Harbor (Florida) | 4,182.63 mi (6,731.30 km) |
| Sintra to Saginaw (Michigan) | 3,762.35 mi (6,054.91 km) |
| Sintra to Saginaw (Texas) | 4,747.18 mi (7,639.84 km) |
| Sintra to Sahuarita (Arizona) | 5,426.61 mi (8,733.28 km) |
| Sintra to Saks (Alabama) | 4,147.92 mi (6,675.44 km) |
| Sintra to Salem (Massachusetts) | 3,163.07 mi (5,090.47 km) |
| Sintra to Salem (Ohio) | 3,682.90 mi (5,927.06 km) |
| Sintra to Salem (Oregon) | 5,335.27 mi (8,586.29 km) |
| Sintra to Salem (Virginia) | 3,745.31 mi (6,027.50 km) |
| Sintra to Salem Lakes (Wisconsin) | 3,980.26 mi (6,405.61 km) |
| Sintra to Salida (California) | 5,601.04 mi (9,014.00 km) |
| Sintra to Salina (Kansas) | 4,539.32 mi (7,305.32 km) |
| Sintra to Salinas (California) | 5,671.17 mi (9,126.86 km) |
| Sintra to Salisbury (Maryland) | 3,491.81 mi (5,619.53 km) |
